import java.sql.Array;
import java.util.Arrays;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:何人亮
 * Date:2024-05-08
 * 15:47
 */
public class Test {
    public static void main(String[] args) {
        int[] arr={3,4,7,9,2,3,45,0,1,7,12};
        fun(arr);
        System.out.println(Arrays.toString(arr));
    }
    public static void fun(int[] arr){
        for (int i = 0; i < arr.length-1; i++) {
            for (int j = 0; j < arr.length-1-i; j++) {
              if (arr[j]>arr[j+1]){
                  int tmp=arr[j];
                  arr[j]=  arr[j+1];
                  arr[j+1]=tmp;
              }
            }
        }
    }
}
